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-rw-r--r--net/ipv4/ip_output.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index b2e0ad312028..4ab877cf6d35 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -981,7 +981,7 @@ static int __ip_append_data(struct sock *sk,
paged = !!cork->gso_size;
if (cork->tx_flags & SKBTX_ANY_TSTAMP &&
- sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID)
+ READ_ONCE(sk->sk_tsflags) & SOF_TIMESTAMPING_OPT_ID)
tskey = atomic_inc_return(&sk->sk_tskey) - 1;
hh_len = LL_RESERVED_SPACE(rt->dst.dev);